Front bumper



FIG. 1 is a left, front perspective view of a front bumper for a vehicle showing my new design;

FIG. 2 is a right, rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view; and,

FIG. 7 is a top plan view thereof.

The portions of the vehicle shown in de-emphasized and half-tone portions outside the broken lines and the broken lines representing the boundary and configuration of what is claimed as the design are for environmental and illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a front bumper, as shown and described. 